Easel



FIG. 1 is a perspective view of an embodiment of an easel showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view (left side view is a mirror image thereof);

FIG. 4 is a top view thereof; and,

FIG. 5 is a rear view thereof. 

CLAIM The ornamental design for an easel, as shown and described. 